<template>
  <div class="permission-container">
    <!-- 新增编辑的弹层 -->
    <el-dialog :visible="showDialog" :title="showTitle" @close="closeDialog ">
      <!-- 表单内容 -->
      <el-form label-width="100px">
        <el-form-item label="权限名称">
          <el-input v-model="formData.name" />
        </el-form-item>
        <el-form-item label="权限标识">
          <el-input v-model="formData.code" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" />
        </el-form-item>
        <el-form-item label="权限启用">
          <el-switch
            v-model="formData.enVisible"
            active-text="启用"
            active-value="1"
            inactive-text="不启用"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>

      <template #footer>
        <div style="text-align: right;">
          <el-button @click="closeDialog">取消</el-button>
          <el-button type="primary" @click="submitAdd">确定</el-button>
        </div>
      </template>
    </el-dialog>
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button type="primary" size="small" @click="clickAdd(1, '0')">添加权限</el-button>
        </div>
        <el-table border :data="list" row-key="id">
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template #default="{ row }">
              <el-button v-if="row.type === 1" size="small" type="text" @click="clickAdd(2, row.id)">添加权限点</el-button>
              <el-button size="small" type="text" @click="clickShowEdit(row.id)">查看</el-button>
              <el-button size="small" type="text" @click="clickDel(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
    </div>
  </div>
</template>

<script>
import { reqGetPermissionList, reqAddPermission, reqDelPermission, reqGetPermissionDetail, reqUpdatePermission } from '@/api/permission'
import { listToTreeData } from '@/utils'
export default {
  name: 'Permission',
  data() {
    return {
      list: [],
      showDialog: false,
      formData: {
        enVisible: '0', // 启用禁用, 0禁用, 1启用
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        type: '', // 类型标记了一级(页面访问权) 二级(按钮操作权)
        pid: '' // 添加到哪个节点下
      }
    }
  },
  computed: {
    showTitle() {
      if (!this.formData.id) {
        return '添加权限'
      } else {
        return '查看编辑'
      }
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {

    // 查看回显
    async clickShowEdit(id) {
      // 获取数据回显
      const { data } = await reqGetPermissionDetail(id)
      this.formData = data
      this.showDialog = true
    },
    // 删除
    async clickDel(id) {
      this.$confirm('确定要删除该权限吗?', '温馨提示').then(async() => {
        await reqDelPermission(id)
        this.getPermissionList()
        this.$message.success('删除成功')
      }).catch(() => {
        console.log('取消')
      })
    },
    // 添加
    async submitAdd() {
      const name = this.formData.name
      const code = this.formData.code
      if (!name.trim() || !code.trim()) {
        this.$message.error('弹层内容不能为空')
        return
      }
      if (this.formData.id) {
        // 编辑
        await reqUpdatePermission(this.formData)
      } else {
        // 添加
        await reqAddPermission(this.formData)
      }
      this.$message.success('添加权限成功')
      this.getPermissionList()
      this.closeDialog()
    },
    // 关闭弹层
    closeDialog() {
      this.showDialog = false
      this.formData = {
        enVisible: '0', // 启用禁用, 0禁用, 1启用
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        type: '', // 类型标记了一级(页面访问权) 二级(按钮操作权)
        pid: '' // 添加到哪个节点下
      }
    },
    // 打开弹层
    clickAdd(type, pid) {
      this.formData.type = type
      this.formData.pid = pid
      this.showDialog = true
    },
    // 获取权限点
    async getPermissionList() {
      const { data } = await reqGetPermissionList()
      // console.log(data)
      this.list = listToTreeData(data, '0')
    }
  }
}
</script>
